Cash-register



(No Model.) 4 Sheets-Sheet 1. H. COOK.

CASH REGISTER. No. 450,365. Patented Apr. 14,1891.

(No Model.) 4 Sheets-Sheet 2. H. 000K, CASH REGISTER.

No. 450,365. Patented Apr. 14,1891.

"in m agma!!! (No Model.) 4 Sheets-Sheet 3. H. 000K. CASH REGISTER.

No. 450,365. I Patented Apr. 14,1891.

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(No Model.) 4 Sheets-Sheet 4.

H. COOK,

CASH REGISTER. No. 450,365. Patented Apr. 14,1891.

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character of the connection between the op- UNITED STATES PATENT OFFICE.

HUGO COOK, OF DAYTON, OHIO.

CASH-REGISTER.

SPECIFICATION forming part of Letters I'atent No. 450,365, dated April 14, 1891.

Application filed November 20, 1890. Serial 110,372,013. (N0 model.)

anism is driven by a spring-motor which constantly tends to turn the registering-wheels forward, but is held in check by an escape-- ment mechanism under the control of the operating-keys of the machine, the construction and arrangement of the parts being such that upon operating any key the motor is released and permitted to turn the registering-wheel a distance proportionate to the value of the key, and is then arrested andagain held in check until another key is operated.

As in my prior machines the escapement mechanism in my present machine consists of a train of detents and co-operating toothed escapement-wheels, the latter being movable toward and from their respective detents to free their teeth therefrom and release the motor, and being so moved to and from their detents by the operation of their respective In my prior machines, owing to the crating-keys and the laterally-movable escapement-wheels, the wheels were shifted toward their respective detents by one stroke of the keys and away from their detent-s by the reverse stroke of the keys. As a wheel was shifted in one direction by the stroke ofan operating-key in one direction, the motor was released and permitted to turn the regis-i tering-wheel a portion of the distance between rection by the reverse stroke of the key the motor was again released and permitted to turn the registering-wheel the remaining portion of the distance between two teeth of the escapement-wheel. It will'thus be understood that in my prior machines a portion of the registry of the value of an operated key was efiected upon the positive stroke of the key and the remaining portion upon its negative stroke. This was objectionable for several reasons, which need not be explained in detail, but all growing out of the fact that the complete registry of the value of a key was not effected by one stroke of the key.

It is the main object of my present invention to overcome this objection to my former machines by such a connection of the keys with the escapement-wheels, and such an arrangement and adjustment of the parts, that the full value of an operated key is registered upon one (preferably the positive) stroke of the key.

In the accompanying drawings, Figure 1 is a central vertical section of the machine on the line 1 l of Fig. 2. Fig. 2 is a front elevation of the machine, with the ends of the operating-keys cut 0%. Fig. '3 is a top plan view of the machine, with the escapeineut and registering mechanisms removed. Fig. 4: is a bot tom plan view of the vibrating bars, through which the movements of the various keys are transmitted to different groups or combinations of escapement-wheels. Fig. 5 is a front elevation of each of the shifter-bars. Fig. 6, Sheet 1, is a detail perspective view of one of the detents, its supporting-disk, and its cooperating escapement-wheel. Fig. 7, Sheet 1, is a side elevation of one of the motor-wheels, showing the cam-transfer disk and the rockshaft and arm co-operating therewith.

The same letters of reference are used to indicate identical parts in all the figures.

AA are the main motor-wheels containing within the casings secured upon their sides coiled springs, which constantly tend to revolve them in the direction of the arrows, substantially as in my prior machines Shown in my pending applications. The motor- .wheel A on the cent side of the machine uneshes with a pinion B, tight on a shaft O,

capeinent-wheel B co-operatingwith thede tent on the second detent Support ordisk' 0 Upon the hub of the latter is feathered the third escapement-wheel B3, co-operatingwith the third detent on the disk C Thehub of the latter carries the fourth escapeme nt wheel B 'co-operating with the fourth detent on the disk 0 and the hub of the latter carries the fifth escapement-wheel B ,ieoloperat-fi Fitting in the circumferential groovesin.

the hubs of the wheels B, B B ,.B ,,and B Fig. 2, are pins in the upper :forked. e nds' of v the centrally-pivoted levers D ,D D ,"D ,,a,nd

D Pins E, Fig. 1, upon the lowerftorivard sides of these levers, fit inci rcnrnteigential zigzag cam-grooves in'disks E, E ,:.;E E d E, loosely mounted upon ,afshaftjR' It ifesultsfrom this engagementof the upper ends of the levers with the hubs of thees'capernent- Wheels and the engagement offth eirlower'; M ends with the cam-grooves in thedisks, that.

when any one of the latter is revolved its corresponding lever ,will be givena vibratory movement, thereby 'shiftin g its connected fe' capement-wheel toward and from the. disk which carries its co-operating detent'. Hiing: by their side arms, Figs. 1,' 3,' 4,,and 5,upon a shaft G, are five vibrating.barsjfl'Fi F F, and F one for each disk E E ,&.c., and. its connected escapement wheel. Rortions'of the under side of each bar are cut awayto form pendent lugs H, Fig. 5, just enmit prior mac ines-portions of the laterallyn ow able slides were cutaway to form likepend There is a lug .H on thei n d er side of each bar for and immediately aboye ent lugs.

each key with which that particular barisito co-operate, just as in myprior machine there; I was a pendent lug on the underlside of eachg slide for each key with which that slide; oou operated.

As seen in Figse and 5, the underside of;

the bar F hasten pendent lugstlh o which'lngs is in the path of eachpdd nn bered key, while the even-numberedkeys are in line with the slots between the lugs. "The bar F has four pendentlngs H, the bar F fh three, the bar F two, a nd the bai-fF? o' one,but extending from w to a: nearly the n-' I tire length of the bar. Thus it will he's n' that although there is not a separatel each bar for each key with which thebar operates, yet each bar-has a' lug in the path of travel of each key with which it co-'opei'- ates, the separate lugs being merged into one Wide lug, where they are immediately adjacent to each other. The length ofthe; lugs (and consequent depth of the slotsbew tween them) is such that the full stroke of a:

key will not move any of the bars but those, I whose lugs arein the path of the key, theke'yj playing idly up and down in the slots ,i nithef others, just as in my prior machine an oper-' pro ected into the path of the key.

Carried by each bar near its right-hand end, -Figs. -.-2 .and 3, (left hand in Fig. 4,) is an up wardlyextending pawl I, one engaging a ,zratchet-J'pn the ahub of each of the disks E Ease. In Fig. lone of these pawls I on the dollar side of the machine is shown engaging ithiratliet of one of the disks on that side of the machine. The arrangement of the pawls and ratchets is the same on the cent side, soIsno further illustration "is deemed neces- ,,sary. -lt resultsfrom this ratchet-and-pawl connection of each bar F F 850., with one of the disks ,E' E &c.,, that whenever any key operated andlifts thehar'or bars whose 'gslproject into its path [said bar or bars, throijghthe medium of the pawl and ratchet, r nthfld i s k or disks corresponding. to. the lifted bars. Thet hing of the disks willviceca -mere reins r r ID n1 gshif h cd li ecte' iwheel h'e' play or the bars F; F &c., andthe shape .of the carngrooves inthe disks E E &c., 'tfthe fu ll' st rok'e of a. key will I nthe w otme angles in the jg 've so tha'tla. fhllpositive stroke of a ke'ylw ll h 'ft thellower end of the centrallyinonlyone direction, .and the ,hosit v trok p n an ther ph'e 'key will'sh'iftthelower end of the Ie'yer in; the i'evrse'direction. It will thus seen that the escapement-wheels are shift- ,edb'ythelesgers only on the positive strokes 'of'thekeys ajnd remain stationary during the negativestrokes "of the keys, "the pawls I slipping idly back ,over the wheels.

Suitableholdingrpawls K, strung on the aft F, 'arefh'eldin engag ement with the 1' gets- J hy'coile'd springs to prevent the rate etsand disks tu ning'backward.

prior machines each of the deerat'ing with'the escapement-wheels contact-f i es a 00', located in diiferent pla nes, withflfa passage between them. See'Fig. 6.): s p osing-a tooth of an escapeent-wheet toftbe engaged with the outer face of a detent as inFig. ,6, upon shifting the l toward the detent-support oth will be moved out of the gaged neoftheface a, whereupon the motor, bereleased will turn forwarduntil the tooth the escapementwheelengages the face a 3 "of thedetent. fThe dis'tan'ce between the faces of thedetentIis such relatively to the dis .tancehetween the centersof 'twoof the teeth of e scapenientwhel that upon the disen- Qgagement of the f teeth from the face a and j 1 geinentjo't' it'with the face a the wheel Iwill bemoved justone-halt' the distance be- .two of its teeth. Upon shifting the way from the detentfsupport itstooth asinengage'rnentwiththefaceaof the tw ill'be moved out of the plane of such race, and that'tooth'bethereby entirely freed of tlieffacelaof the detent and. into the from the detent, whereupon the wheel will turn on (the motor turning the registeringwheel at the same time it turns the escapement-wheel) until its next succeeding tooth engages the face a of the detent. This last movement of the escapement wheel is also just one-half of the distance between two of its teeth. It will thus be seen that upon each operation of a key the escapement wheel or wheels with which it is connected are shifted laterally in one direction only and are permitted to turn just one-half the distance between two of their teeth. The five-cent wheel 3' has twenty teeth,so that upon each shifting of said wheel ii, and consequently the shaft C and registering-wheel D, turn onefortieth of a revolution. The wheel D is therefore provided with two series of numbers, each containing all the multiples of five from O to 95, and five cents is added to the registry at each fortieth of a revolution. The wheel 13 has ten teeth, and at each operation permits the motor to turn the shaft 0 and wheel D one-twentieth of a revolution and add ten cents to the registry on the wheel D. The wheels 13 and 13* each have live teeth, and at each operation each permits the motor to turn the wheel D one-tenth of a revolution and register twenty cents,while the wheel B has only two teeth and at each operation permits the motor to turn the wheel D one-fourth of a revolution to register fifty cents. The pawl I, carried by the bar F, engages the ratchet secured to the hub of the .disk E, whose lever D shifts the five-cent escapement-wheel B. In the same manner the bar I aetuates the disk FE and shifts the ten-cent escapement-wheel B while the bars F ,F*, and F in like manner act upon the wheels 13 B, and B respectively.

The various combinations of different escapement-wheels with different keys through the medium of the bars F F ,&c., will be understood from Fig. l, where the positions of the keys are shown by the dotted-lines. There it will be seen that the five-cent key will move only the bar F, the ten-cent key the bar F the fifteencent key both of the bars F and F the twenty-cent key the bar F, the twenty-live cent key the bars F and F the thirty-cent key the bars F and F the fifty-cent key only the bar F, the seventy-five-cent key the bars F, F, and F and so 011 to the ninety-five cent key, which will move the bars F, F, F", and F, each key of the series moving just such bar orbars as will shift the proper escapement wheel or wheels to permit the motor to turn the registering-wheel the proper distance to register the value of the key, as was the case in my prior machines and as will be readily understood.

On the dollar side of the machine the motor-wheel A meshes with a pinion A tight on a shaft A in line with the shaft 0.

Feathered upon the opposite end of the shaft A is the first escapement-wheel G of the dollar series, having two teeth and co-operating with a detent on the adjacent disk or support H. The latter is loose on the shaft and has feathered upon its hub the second escapement-wheel G having five teeth and cooperating with the detent on the disk H The hub of the latter in like manner carries the third escapement-wheel G also having five teeth, while the third detent-support H carries the fourth escapement-wheel G The latter has ten teeth and co-operates with the detent on a disk 11*, rigid with a sleeve H loose on the shaft A and having tight on its opposite end a toothed escapement-wheel II. This latter wheel has ten teeth, and is engaged by detents upon the opposite ends of a rocking arm H Figs. 1 and 7. The wheel H and rocking arm 11 form part of the transfer mechanism hereinafter described, and are not affected by the movements of the detents and wheels on the shaft A under the operations of the dollar-keys. The wheel 11 is always held stationary by one of the detents on the arm H except at such time as a transfer is being effected, and the disk H tight on the sleeve H being of course also held stationary. The detent on the disk 11* is really the end of the dollar train of wheels on the shaft A and holds said train in check just as the detent C? holds the cent train of wheels in check. Upon the end of the shaft A to the right of the pinion A is secured a gear K, meshing with a pinion K tight on a sleeve K loose upon a rock-shaft K suitably supported in the frame-work and carrying the rocking arm H at its left-hand end; also, tight upon the sleeve K is a gear K, which meshes with the primary wheel of the total-register. (Not shown, but the same as in my prior machines.) The gear K on the shaft A has twice as many teeth as there are in the pinion K on the sleeve K with which it meshes, so that each complete revolution of the shaft A will turn the sleeve K and gear K two revolutions. The registering-wheel driven by the gear K therefore makes a complete revolution at each revolution of said gear and consequently at each half-revolution of the shaft A It registers ten dollars at each revolution and transfers onto a second wheel of the total-register, so that a complete revolution of the shaft A will add twenty dollars to the total registry.

As before stated, the escapement-w'heel G has ten teeth. When it is slid toward the disk H its engaged teeth are disengaged from one face of the detent, and the wheel can turn forward until said tooth strikes the other face of the detent, thus permitting the motor to turn the wheel one-half the distance between two of its ten teeth, or one-twentieth of arevolution. This turning of the wheel G and consequently of the shaft and gear K one-twentieth of a revolution causes the gear K to turn the primary wheel of the totalregister one-tenth of a revolution to register one dollar, as will be readily understood. In like manner when either of the wheels G or G3 is disengaged from its (Jo-operating detent, the motor turns said wheel o'ne-lialftlie distance between twoof its five teeth, crane: tenth of Etl'GVOllltlOIl, causing the gear K to turn the gears K and K and conseque tly the registering-wheel two 'tenthsof a' 1"evolu tion to register twofdollars. The wheel G has only two teeth and at each operation of it it permits the motor to turn the shaft'A and gear K one-fourth of a revelu'tion', and consequently to turn the primary registering-wheel one-half of a revolution to register five dollars. The escapement-wheels'G, G G and G are connectedbv centrally pivoted levers I, 1 I and I with circumferential cam-grooves in disks J, J Jiand J loose on the shaft F, just as on the cent side of the machine. Upon the hub of each of the disks J J &c., is a ratchet J, engaged on their rear sides by pawls I, Fig. 3, carried by the supporting arms of bars L, L L and L cor responding to the bars F F, &c., on the cent side of the machine. These bars,"as shown in Figs. 3 and 4:, are hung by their arms upon the shaft G. There arefive dol lar-keys, from 1 to 5, inclusive, with ablank or check key L interposed between the deli lar and cent series. Theb'ar: L has tmlug on its under side, one above the one-dollar key and one above the three-dollar key. The two-dollar key plays up and; down between these lugs and does not move the bar L. The bar L has no separate lugs. It extends is moved only by the four-dollar key and the bar L by the five-dollar key. The pawl carried by the bar L engages the ratchet on thehub of the disk J, connected with the one-dollar escapement-wheel G The pawl carried by the bar L engages the ratchet of the. disk J connected with the escapement wheei G while the pawls of the bars L and L engage, respectively, the ratchets of the disksj? and J connected with thees'capement-wheels G and G. It will thus be seen that the operaf tion of the one-dollar key will shift the es capement-wheel G the two-dollar key will shift the wheel G the three-dollar key will shift the wheels G3 and G the four-dollar key the wheelsGr and G andthe five-dollar key the wheel G; I i I The transfer of the dollars registered by the half-revolutions of the cent-registering wheel D is effected by the following means and in the following manner; Tight upon the rock-shaft K just to the right'of the gear K on the sleeve K Figs. 1 and 7,is' acurved arm M, whose ends bear against the p'eripll' ery of a cam-disk M, secured upon'the side of the motor-wheel A, Fig. 6. Thiscamf disk has twelve alternately raised and depressed spaces upon its periphery, and the spaces and the arm M are of such relative len gths that one end of the arm is always engaged'witha;

. revolution. turn's'theshaft A one-twentieth of a revoludepressed space and its opposite end with a of its ends strikes and rides upon a raised space, and its opposite end enters a depressed space. The motor-wheel A has ninety teeth,

and the pinion B on the shaft 0, with which it meshes, has fifteen teeth, so'that a complete revolution of the motor will cause six revolutions of the shaft B and cent-registering wheel 1). As there are twelve of the spaces on the camdisk M the arm will be'rocked twelve times during a complete revolution of the motor-wheel, or once at'each half-revolution of the registering-wheel D. The adjustment of the parts is such that itis rocked j u'sti as the wheel D completes a halfrevolution and brings its 0 to the reading peint'. The rocking of the arm M and shaft K? rocksthe" a'rm H tight on the lefthaud end of the shaft, and at each rocking disenage one of the detents on said arm from the e'scapenient-wheel H thereby permitting themotor to turn'forward until another tooth of said wheel engages the opposite detent on the arm H 7 wheel H turnsone half the distance between At each of such operations the two' of its ten teeth, or one-twentieth of a The motor-wheel consequently tion and'eaiuses the pinion K to turn the pinion K and primary registering-wheel one- 7 I I I I tenth of a revolution to registerone dollar, as above the two, three, and four dollar ke'ys'v and is moved by each of them. The bar L j tion, the principal object of my present invention is to cause the full values of the keys to be registered upon their positive strokes, and not part on their positive and part on their negative stroke, as heretofore. This I accomplish by connecting the keys with the l laterally-movable escap'ement-wheels in such 1- manner that said wheels are shifted upon the positive strokes of the keys, but remain stationary during the negative strokes thereof. l I have illustrated and described in detail one formof connection suitable for this purpose; 5 but my invention is not limited to the details ef' censtructio'n or arrangement of such connections, but contemplates, broadly, the combination of the laterally-movable escapementwheels, the operating-keys, and connections will be readily understood.

As stated at the beginning of the specificainterposed between the keys and escapement- 5 wheels by which the latter are shifted laterj ally by the stroke of the keys in one direction and allowed to remain stationary during their strokes in the opposite direction.

It will also be understood that while in my present machine, as in my former ones, the escap'ement-wheels, and not the detents, are the laterally-movable elements of the escapement mechanism, yet this arrangement might V be reversed and'the detents be made the laterally movable element, the connection between the detent-supports and operating-keys IIO being made substantially the same as the connections between the escapement-wheels and keys.

Having thus fully described my invention, I claim-- 1. In a registering-machine, the combination of a series of detents, a series of laterally-movable co-operating escapement-wheels, a series of operating-keys, and connections interposed between the operating keys and escapement-wheels by which the latter are shifted in one direction upon one stroke of the keys and allowed to remain stationary during the reverse stroke of the keys, substantially as and for the purpose described.

2. In a registering-machine, the combination of a revoluble shaft, a train of detents and cooperating laterally-movable escapement-wheels mounted thereon, a series of operating-keys, and connections between the keys and escapement-wheels by which the latter are shifted laterally in one direction upon the positive strokes of the keys and allowed to remain stationary during the negative strokes thereof, substantially as and for the purpose described.

3. In a registering-machine, the combination of a spring-impelled motor-wheel, a revoluble shaft and registering wheel geared thereto, a train of detents and cooperating laterally-movable escapement-wheels mounted upon the revoluble shaft, a series of operating-keys, and connections between the keys and escapement-wheels by which the latter are shifted laterally in one direction upon the positive strokes of the keys and allowed to remain stationary during the negative strokes thereof, substantially as and for the purpose described.

4. In a registering-machine, the combina tion of a detent and a co-operating laterallymovable escapement-wheel, a shifter for the escapement-wheel, a revoluble cam actuating said shifter, and an operating-key actuating said cam, substantially as and for the purpose described.

5. In a registering-machine, the combination of a detent and a co-operating laterallymovable escapement-wheel, a shifter for the escapement-wheel, a revoluble cam actuating said shifter, and two or more operating'keys connected with said revoluble cam and actuating the same independently of each other, substantially as and for the purpose described.

6. In a registering-machine, the combination of a series of detents and a series of cooperating laterally movable escapementwheels, a shifting-lever for each escapement=- wheel, a revoluble cam for each shifting-lever, and a series of operatingkeys, some of which are each connected with two or more of the revoluble cams, substantially as and for the purpose described.

7. In a registering-machine, the combination of a series of detents and a series of cooperating laterally movable escapementwheels, a shifting-lever for each wheel, a revoluble cam for each shifting-lever, a series of movable bars each actuating one of the revolnble cams, and a series of operatingkeys co-operating with the movable bars, in the manner and for the purpose specified.

S. In a registering-machine, the combination of a train of detents and cooperating laterally-movable escapement-wheels, a shifting-lever for each wheel, a revolnble cam for each shitting-lever, a ratchet for each cam, a series of movable bars each carrying a pawl engaging one of said ratchets to turn the cam upon the moving of the bar in one direction, and a series of operating-keys co-operating with said movable bars, inthe manner and for the purpose specified.

9. In a registering-machine, the combination of the detents 0 C &c., and co-operating laterallyunovable escapement-wheels B B &c., mounted upon the shaft 0, the shifting-levers D D &c., engaging the hubs of the escapement-wheels at their upper ends, the revoluble disks E E disc, provided with the cam-grooves engaging the lower ends of said levers, the ratchets J, turning with the disks, the vibrating bars F W, &c., each carrying a pawl I, engaging one of the ratchets J, and the operating'keys co-operating with the bars F F, &c., in the manner and for the purpose specified.

10. In a registering-machine, the combina tion of the'motor-wheel A, the cam-disk h secured to its side, the cent-registering wheel driven by the motor, the rock-shaft K provided at one end with the rocking arm M, bearing at both ends upon the periphery of the disk M, and at its other with the rocking arm I'l provided with a detent at each end, the motor-wheelA, the escapementwheel H, geared to the motor-wheel A and co-operating with the detents on the opposite ends of the arm H and a registeringavheel driven by the motor A, substantially as and for the purpose described.

IIUGO COOK.

\Vitnesses:

FRANK D. FOWLER, THOMAS Oonwnv. 

